Which of the following is an odd function? f(x) = 3x2 + x
f(x) = 443 +7
f(x) = 5x2 + 9
f(x) = 6x² + 2x

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.